Rotary gasoline engine



/ w mwwwwwwwvm w OLINE ENGINE 4 Sheets-Sheet l C. R. NIXON FledDeC. 18, 1928 ROTARY GAS Oct. 7, 1930.

WQ/ l i Oct. 7; 1930. C. R, NIXON 7 1,777,932

ROTARY GAS OLINE ENG INE Filed Dec. 18, 1928 l 4 Sheets-Sheet 2 f f4 f if @i l, ,f Z3

' Oct. 7, 1930.

C. R. NIXON ROTARY GASOLINE ENGINE 4 Sheets-Sheet 3 Filed Dec. 18, 1928 amm /Am/ /F loct. 1, 1930.- C. RNIXON' 1,117,932

Fled'DeC. 18, 192g 4 Sheets-Sheet, 4

UNI'TE-DJSTTES Patented Oct. 7, 1930 7 i 7 j 1,777,932 i nrvnnrns 'ro JOHN 7L.; nUNNooK, or BALTIMORE, MARYLAND 7 7 l i inability @SOHN-amm@ Appiicfipa mea nebenher 1 3, 1523. sen-arm. 326304.

H This invention'relate's torotaryengines and L has special reference` to a rotaryginternal coinj bustion englnedesigned toluse gasoline or the like :for'carbarizing explosive-charges used in ftheengine.

rotors both Vof rection f 1 l aj:rotarylinternalcombustion-engine. 1

siieh anengine will be hereinater apparent, the invention consists inrgene'ralo c'ertainnovel details of construction' arid' f combinations of parts" hereinafter 'fully' `describfed,t illustratedA in `the accompanying drawings and `7 specifically f relaiined Y y '1 inthe faccompariyi'ngldrawings likeicharcterslo'ifreference indi'catelike parts inthe g`several"views,` and? 7 e n j 7 A l j "Figure 1 1`s`"avertical longitdinal inedian 1.sect1onfthriig'h an engine" constructed 1n accordance with this invention.

Figure 3 is a section on the'lnef-f-A-B of rigen-i ieasetion on wenn@ efv 7 Figurejl.` A *14o` Figure les f tion' ashere shown there" is provided albase'lO fliavingatone end astandard llsupporting a f besariiigy "1l At thex "other 'end is a "second j ort'antobject of the invention is to f improve the general construction of devices f ofthis character.

" to .sa

nis "a section on fthe r1i"nei` 6 6 of 13 having;V at its npperend abearing` rIn thebearin'g `12lisfjournaled a shaft Vlcarryinjg on the 'endtoward the `bearing r14C a disk 16 formingr one-end `ofthe major "or outer rotorw Secured tothe disk or plate 16by "screws` 17 isa rotor fshell '18`ofhollow cylindrical formand provided at theend j -1 i `adj acent the bearing 14with `an inwardly `eirf A vsr-icond importanti object of the invention `:is to provide an improved form of rotaryenv gine including! a pair" of relatively rotatable which rnove in the' same ditending flange'll) hears on an outwardly proj ectinO` fiange 210 forme-d1 on :a fixed journal `member 211,4 theI iiange .20 being concentric with the shaft `vvlri1ej the journalmember i l- 21 is eccentric tosaid shaft as listhelbe'aring A third important objeotuof theinventon "is to provide a novel Lformof combined engine j and compressorl or pnnip Ewherein the engine flanges 19` and20' there ijs Inonntdon tlierneml j 7 finounted` an inner rotor 23of eylind'rical form A fourth important Qbjeetl et the inyention j is to provide improved valve means for 7 2o` rings 27"whieh1areseatedin recesses 2S in the @lends ofythe rotor 23, the packingfstrips `26 having proj eating tonge's 29 overwhieh the rings -27 en gage sp aced "relation" so that the strips Iinayrnove `in and ont. Keyedto` the;

nieniber 21 is'a hollowfhilo 30j ournaled in the bearinglf around one end of the Inember21 and on the inner endof this hub'ffis an outwardly" proj eating" flange 31;* "1 "Mounted" for 7 '7 rotation( onthe iange' 31de a head 31" having an inwardlyj `dir eeted lflange "32 extending "from peripheryhand engaging" the rotor j #shell ISQatits periphery, thispartfthede- "f" 1 1 Figure 2 isa section onthe line 2-2` of Figf' i 7.v A 1 `7w"" vice "forming a pump" b1* LQQmp-IIGSSQI' Shell "beingmsecnred toI the rotonshell proper screws" 33;#111 this onterflpulnp shell is n ionntedanfinner puj'mp rotor 34'of the same general entstammen tiene referee, that is 'Y beingrrvd with' peeking Strips 35 and retainingliiigs.

the apparatus, these chalnbers beinglseparated from! eachotherby the rotor 23` andv by a `projeetingig tongue 391 which lnoves in andont of ya slet 40extending..longitudinally"of the '90 V@Byan'inspectionof Figlires 2, 4:7 andlit i will beseen thatthse innerirotors are tangent to the inner sides ofthe outerfrotors sof ifthat therefis4 forida iring'chaniber? and `an:exhaustSchainliier 38 in theengine fendfof 95 tion of the. arrows and causing the exploded.'

mounted in said slot so that under the influence of centrifugal action when the engine is running it moves outwardly and forces the tongue 39 against one side of the slot 40. Similarly the pump rotor 34 divides the pump or compressor shell infsuch manner as to `provide a compression chamber 42 and an intake chamber 43 separated by a tongue 44 working in a groove 45 in therotor 34 and held against one side of said groove by the roller 46.

In the head or disk 31 is an annular passage 47 which communicates 'with an' intake pipe 48 leading to a suitable source of carbureted air and provided with a check valve 49. The passage 47 opens through a port 50 into a radial slot 51 formed in one face of the inner pump or compressor'rotor and leading radially inward from the periphery of this compressor rotor 34 is a. passage 52 wherein is mounted a valve cage 53 having a plug 60 which on each revolution of the shell contacts with a wiper 61 thus causing a spark to pass between the terminals of the plug.V

Leading` from the chamber 38 adjacent the tongue 39 is an exhaust port 62.

In operation rotation of the enginedraws carbureted air in through the pipe 48 so that it passes into the passage 47 and from thence through the port 50 into the passage V51 and thus into the chamber 43. Now, as the engine continues to rotate the action of the two eccentrically mounted rotors, both traveling in the same direction, as indicated by the arrows, compresses the air in the chamber 42 and thus causes it to flowV past the valve 55 into the hollow member 21. From there each time the port 58 registers with the port 59 a 'charge of compressed gas passes out of this hollowv member into the firing chamber 37 and. as Contact is made with the spark plug by the wiper 61, a spark Vpasses and the gas explodes thus driving the enginein the direcgas in thechamber 38 to be exhausted through the port 62.

Y the 4purpose specified.

There hasthus been provided a simple and efficient device of the kind described andfor It is obvious that minor changes may be made in theform and construction of the invention without departing from the material spirit thereof. Itis not, therefore, de-

sired to conline the invention to the exact form herein shown and described, but it is desired to include all such as properly come within the scope claimed.

Having thus described the invention, what is claimed as new, is:

1. In a rotary engine, an outer rotor having a cylindrical chamber and mounted for revolution onits axis, a cylindrical innerfrotor of less diameter thanthe chamber and tangentially engaging the cylindrical wall of said chamber, said inner rotor being mounted for revolution on its axis to constantly contact with said cylindrical wall, a tongue carried by one rotor and engaging the other rotor to cause the rotors to revolve in Vunison and dividing the space between said rotors into explosion and exhaust chambers, said other rotor having a slot to receive fsaid tongue, a packing roller in said slot and engaging the tongue to force it against one side of the slot, means to supply the explosion chamber intermittently with explosive charges, means to lire each charge at predetermined positions of said rotors, and means to exhaust the spent gases from the exhaust chamber.

2. In a. rotary engine, an outer rotor having Aa'cylindrical chamber and mounted for revolution on its axis, acylindrical inner roller of less diameter than the chamber and mounted to revolve with` its periphery in constant engagement with the chamber wall, said inner rotor having a radial slot extending inwardly from its periphery and longitudinally from end to end of the inner rotor, a tongue fixed to the outer rotor and extending into i said slot to divide the space between the rotors into compression and explosion chambers, said tongue `beingof less lthickness than the width of the slot and having its inner edge reversely curved, a packing roller loose in said slot and movable outwardly in the slot to engage the curved portion of the tongue onthe side next the explosion chamber to force the tongue against the opposite side of the slot, means to supply the explosion chamber intermittently with explosive charges, means to re said charges, and means to exhaust the spent gases from the explosive chamber.

3. In a` rotary engine, an outer rotor having a cylindrical chamber and mounted for-revolution on its'axis, a cylindrical innerroller of less diameter than the chamber and mounted to revolve with its periphery in constant engagement with the chamber wall, said inner rotor having a radial slot extending inwardly from its periphery and longitudinally from end to end of the inner rotor, a tongue fixed to the outer rotor and extending into said slot to divide the space between the `rotors into compression and explosion cham- .reverselycurved, a packing roller loose in said slot and movable outwardly in the slot to engage the curved portion of the tongue on the side next the explosion chamber to force l the tongue Vagainst the opposite side of the slot, means. to supply the explosion chamber intermittently with explosive charges, means ing the inner rotor liXed thereon, said sleeve having a port, movable by rotation of the Y sleeve into and out fregistry with the lateral port, said sleeve. port opening into said slot, said roller lbeing grooved `to allow eX- haust gases toV flow past the roller and through said ports.

In testimony whereof I affix myvsignature.

CLARENCE R. 'Nixon 

